Cheap flights from Denver to Pennsylvania from $102

The month of October is, on average, the cheapest month to fly to Pennsylvania from Denver, with most prices found around $317. If you don’t want to visit Pennsylvania in October, then you should wait until February to fly from Denver, when ticket prices are also cheap, with an average price of $321.

The cheapest day to depart on your flight to Pennsylvania is on a Friday when prices can be found for as low as $383. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $553. These prices are subject to change though, so be sure to set up a Price Alert for flights to Pennsylvania.

Our most recent data shows that the best time of day to fly to Pennsylvania is in the evening. Flights from Denver to Pennsylvania during this time can be as low as $290. In contrast, the most expensive time of day to depart to Pennsylvania is at noon when prices are around $478.

Fly from Denver Intl to Allentown-Bethlehem for the best Denver Intl - Pennsylvania flight prices

You are more likely to see cheaper flights to Pennsylvania from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Pennsylvania for around $351 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Pennsylvania from Denver for as low as $320 on momondo.

There are 4 cabin classes available to choose from on Denver to Pennsylvania flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Delta, Southwest, and United Airlines are the most popular carriers operating from Denver Intl to Pennsylvania

American Airlines, Frontier and United Airlines are the top three most popular airlines that fly to Pennsylvania from Denver according to our data. American Airlines is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Pennsylvania. Keep in mind that there are 7 different airlines that fly to Pennsylvania on a routine basis, so you have a few additional options to choose from.

The number of flights available between Denver and Pennsylvania is 65 per day as of August 2026. The most frequent departure time is 5:00PM, with 43% of daily flights leaving at noon.

As of August 2026, 455 flights take off from Denver and land in Pennsylvania each week. The most common flight departure day for this route is Wed, with 24% of weekly flights taking off on this day.